#1F0537#1F0537

#1F0537 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.1% C 0.091 H 302.6°. Best body text is #FFFFFF at 18.50:1 contrast (WCAG AA passes).

Color values

HEX	#1F0537
RGB	rgb(31, 5, 55)
HSL	hsl(271, 83%, 12%)
HSV	hsv(271, 91%, 22%)
CMYK	cmyk(43.6%, 90.9%, 0%, 78.4%)
CIE-LAB	lab(6.10, 24.57, -26.53)
CIE-LCH	lch(6.10, 36.16, 312.81°)
OKLab	oklab(20.06% 0.049 -0.0766)
OKLCH	oklch(20.06% 0.091 302.6)
XYZ	xyz(1.3088, 0.6757, 3.6752)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0537 #1D3705

analogous

#060537 #1F0537 #370536

triadic

#1F0537 #371F05 #05371F

tetradic

#1F0537 #370605 #1D3705 #053637

square

#1F0537 #370605 #1D3705 #053637

split-complementary

#1F0537 #363705 #053706

monochromatic

#10031C #10031C #1F0537 #3F0A6F #5E0FA7

Accessibility & contrast

On white

18.50

#1F0537 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#1F0537 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0537

18.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0537	#FFFFFF	#000000	##FFFFFF
##1F0537	1.00	18.50	1.14	18.50
#FFFFFF	18.50	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001338

Deuteranopia (green-blind)

#001336

Tritanopia (blue-blind)

#1A121E

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #1f0537;
/* rgb */ color: rgb(31, 5, 55);
/* oklch */ color: oklch(20.1% 0.091 302.6);

Tailwind

colors: {
  custom: {
    50: '#5e486e',
    500: '#1f0537',
    950: '#000000',
  },
}

SCSS

$custom: #1f0537;
$custom-light: #5e486e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0537",
  "rgb": {
    "r": 31,
    "g": 5,
    "b": 55
  },
  "hsl": {
    "h": 271.2,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.20061,
    "c": 0.09091,
    "h": 302.6
  },
  "luminance": 0.00676
}

Semantic roles & 50–950 ramp

primary

#1F0537

secondary

#4A7820

accent

#FA2E90

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #1F0537

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →